64036645266 has 32 divisors (see below), whose sum is σ = 139725446400. Its totient is φ = 19403776080.

The previous prime is 64036645219. The next prime is 64036645289. The reversal of 64036645266 is 66254663046.

64036645266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×64036645266³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1685265 + ... + 1722843.

It is an arithmetic number, because the mean of its divisors is an integer number (4366420200).

Almost surely, 2^64036645266 is an apocalyptic number.

64036645266 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64036645266 is an abundant number, since it is smaller than the sum of its proper divisors (75688801134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64036645266 is a wasteful number, since it uses less digits than its factorization.

64036645266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63414.

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 64036645266 in words is "sixty-four billion, thirty-six million, six hundred forty-five thousand, two hundred sixty-six".